Some of the grey-roller metal-plated trailer Optimus Primes have what we call the 'error box'.

This has a few noticeable features:

- No white borders on the 3 stock photos in top left corner of box front
- Extra coloured grid square near Optimus's fist on his artwork
- Radar dish from the stock photography on the bottom of the box has not been cropped so you can see it under Prime's artwork on the box front.

A lot of grey Roller Primes have been found in this error box, but quite a few with normal prerub Prime box too. However the light-blue Diaclone-coloured parts trailer Optimus almost 99% of the time comes in this error box.

Some of the grey-roller metal-plated trailer Optimus Primes have what we call the 'error box'.

This has a few noticeable features:

- No white borders on the 3 stock photos in top left corner of box front
- Extra coloured grid square near Optimus's fist on his artwork
- Radar dish from the stock photography on the bottom of the box has not been cropped so you can see it under Prime's artwork on the box front.

A lot of grey Roller Primes have been found in this error box, but quite a few with normal prerub Prime box too. However the light-blue Diaclone-coloured parts trailer Optimus almost 99% of the time comes in this error box.

That would be me I did a search because I wanted to make sure I wasn't missing anything. I tried to just "borrow" your words. If it means anything when I searched google for "G1 Prime error box" this post came up first. Thanks for the info BTW. For payment..since you seem to be the Diaclone Master if I ever decide to trade my Lucky draw Gold Diaclone Jazz I'll contact you first (that is if you need it )

Yea, I've recently been learning about all the different G1 Prime variants at http://www.fredsworkshop.com/frames.html. There are a lot! I'm selling a junker G1 Prime figure and trailer on eBay for parts, but it's sort of a hodge-podge frankenstein mix of a couple different variants, so I wanted to read up on it so I could tell people exactly what they're buying. I wonder if there were any vintage 84/85/86 cab variants that had the slot on the back side... I've got the BTS-03 Matrix upgrade parts on the way and I'm wondering if I'm going to have to mod the jetpack or if I can track down a vintage prime somewhere with a slot on the back side (like the G2 and re-release molds)

That would be me I did a search because I wanted to make sure I wasn't missing anything. I tried to just "borrow" your words. If it means anything when I searched google for "G1 Prime error box" this post came up first. Thanks for the info BTW. For payment..since you seem to be the Diaclone Master if I ever decide to trade my Lucky draw Gold Diaclone Jazz I'll contact you first (that is if you need it )

Ok, so I picked up the error box bloated prime to go with my normal prime. Now, after reading some of Maz's articles, I have some questions about the Milton Bradley red footed prime variant...

Is it rare? How much can I expect to pay for it in box (box doesn't have to be mint)?

Thanks!

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According to Mijo, the MB red-footed Prime has tended to show up as much as the blue-footed MB Prime. If it's in really great condition I would say go as high as 250-300 but incomplete and not C8+ box or contents, try to get it for between 150 and 200 Euros max.

According to Mijo, the MB red-footed Prime has tended to show up as much as the blue-footed MB Prime. If it's in really great condition I would say go as high as 250-300 but incomplete and not C8+ box or contents, try to get it for between 150 and 200 Euros max.

Sorry for ressurecting an old thread, but I would like all this info to be in one place for others looking to know. With that said..
Is there any differences in the styrofoam inserts used in all the varations of G1 Primes? I think I read somewhere that the gold box didn't use a foam insert (instead it had cardboard).

Sorry for ressurecting an old thread, but I would like all this info to be in one place for others looking to know. With that said..
Is there any differences in the styrofoam inserts used in all the varations of G1 Primes? I think I read somewhere that the gold box didn't use a foam insert (instead it had cardboard).

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There are variations but it was always styrofoam, only G2 had cardboard inserts from my knowledge. Some of the later 90s Chinese-manufactured editions of G1 Prime - released in places like Singapore and even Portugal in RED boxes not gold - had a series of ridges/cutaways on the bottom of the styro tray. Also Japanese G1 Prime inserts were more closely based on the Diaclone Battle Convoy smaller insert tray of course, quite different to the UK/US insert for Prime.

Thanks Maz, I can always count on you to drop the knowledge. I was talking stricly vintage btw. So far I have been unable to find any resources describing the differences in the foam inserts used in G1 Prime boxes. Do you have any recommendations as to where I can find out more?